-void simple_idct_put(uint8_t *dest, int line_size, DCTELEM *block);
-void simple_idct_add(uint8_t *dest, int line_size, DCTELEM *block);
+void ff_simple_idct_put_8(uint8_t *dest, int line_size, DCTELEM *block);
+void ff_simple_idct_add_8(uint8_t *dest, int line_size, DCTELEM *block);
+void ff_simple_idct_8(DCTELEM *block);
+
+void ff_simple_idct_put_10(uint8_t *dest, int line_size, DCTELEM *block);
+void ff_simple_idct_add_10(uint8_t *dest, int line_size, DCTELEM *block);
+void ff_simple_idct_10(DCTELEM *block);
+/**
+ * Special version of ff_simple_idct_10() which does dequantization
+ * and scales by a factor of 2 more between the two IDCTs to account
+ * for larger scale of input coefficients.
+ */
+void ff_prores_idct(DCTELEM *block, const int16_t *qmat);
+